Home / 179,215.68-268,804.32-54,557.76

Finding the Fourth Proportional to 179,215.68, 268,804.32 and 54,557.76

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Solution

The fourth proportional to 179,215.68, 268,804.32 and 54,557.76 is: 81,830.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,215.68 : 268,804.32 = 54,557.76 : x
  2. Step 2: Convert to fraction form
    179,215.68/268,804.32 = 54,557.76/x
  3. Step 3: Cross multiply
    179,215.68x = 268,804.32 × 54,557.76
  4. Step 4: Simplify right side
    179,215.68x = 14,665,361,577.52
  5. Step 5: Solve for x
    x = 14,665,361,577.52/179,215.68
  6. Step 6: Final answer
    x = 81,830.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.